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chad perrin
(486 results)
About Chad Perrin
Chad Perrin is an IT consultant, developer, and freelance professional writer. He holds both Microsoft and CompTIA certifications and is a graduate of two IT industry trade schools.
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Blog Post
List open ports and listening services
April 15, 2008 8:47pm PDT
You should turn off any services you don't actually need so that they will not become avenues of attack for security threats. Different systems will have different services running by default,...
2 Latest comment by jackhard
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Blog Post
How to spoof a MAC address
January 22, 2008 1:28pm PST
MAC address filtering for wireless networking isn't real "security". Anyone who pays any attention to current trends in wireless security at all should know that MAC filtering is less effective...
63 Latest comment by Doug Vitale
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Articles
Linux 101: Use ifconfig in Linux to configure your network
February 17, 2006 6:18pm PST
The ifconfig command line utility is used to get information about a Linux network interface configuration and to make changes to it.
9 Latest comment by com2saidas
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Blog Post
Use PuTTY as a secure proxy on Windows
March 10, 2008 4:30pm PDT
Last month, I wrote about using OpenSSH as a secure Web proxy on UNIX and Linux systems. This time, I'll show you how to do the same thing on Microsoft Windows using PuTTY -- probably the single...
67 Latest comment by abaabaa
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Blog Post
Hacker vs. cracker
April 17, 2009 1:20pm PDT
The word "hacker" gets used in a pejorative sense by journalists an awful lot. Some people think this is perfectly reasonable; others find it offensive, and recommend an alternative term for that...
101 Latest comment by wizard57m-cnet
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Blog Post
Is tmux the GNU Screen killer?
October 25, 2010 6:00am PDT
Many sysadmins swear by the usefulness of GNU Screen, but a competing terminal multiplexer called tmux looks like it may be the superior option.
5 Latest comment by paulgraydon@...
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Blog Post
10 services to turn off in MS Windows XP
November 7, 2007 10:02am PST
As I pointed out on 19 October, in point number four of the article 10 security tips for all general-purposes OSes, an important step in the process of securing your system is to shut down...
74 Latest comment by JonB2008
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Blog Post
The CIA Triad
June 30, 2008 3:13pm PDT
The CIA Triad is a venerable, well-known model for security policy development, used to identify problem areas and necessary solutions for information security. Read on for an introduction to the...
11 Latest comment by white house
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Blog Post
Understanding layered security and defense in depth
December 18, 2008 2:05pm PST
What are "layered security" and "defense in depth" and how can they be employed to better protect your IT resources? Understanding these strategies and how they can be used to improve your own...
10 Latest comment by trent@...
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Blog Post
Understanding risk, threat, and vulnerability
July 7, 2009 2:19pm PDT
IT security, like any other technical field, has its own specialized language developed to make it easier for experts to discuss the subject. It pays to understand this jargon when researching...
23 Latest comment by seanferd
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Blog Post
Understand the setuid and setgid permissions to improve security
December 15, 2009 6:58am PST
Understanding how the setuid and setgid permissions work on a Unix-like system is important, in part to know why they are used sometimes, but more importantly, to avoid misusing them.
11 Latest comment by apotheon
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Blog Post
The Chinese Domain Scam
September 17, 2009 10:52am PDT
If you have any domain names registered, you should keep an eye out for the Chinese Domain Scam, a ploy based on fear of domain-name squatting.
38 Latest comment by buythiscomputer
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Blog Post
What is cross-site scripting?
March 18, 2008 12:47pm PDT
Cross-site scripting, also known as "XSS", is a class of security exploit that has gotten a fair bit of attention in the last few years. Many users, and even Web developers, aren't entirely clear...
15 Latest comment by stacey7165
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Blog Post
Use sSMTP to send e-mail simply and securely
April 11, 2008 1:07pm PDT
Computer users like me, who prefer daily e-mail dealings to be quick, simple, and devoid of distractions, tend to use a collection of small, separate tools to fulfill each of the critical...
2 Latest comment by richard.munden@...
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Blog Post
Microsoft Windows activation work-around
June 1, 2010 5:00am PDT
Almost anything is hackable, given enough effort. Working around Microsoft Windows Genuine Advantage is somewhat easier than you might expect, however.
19 Latest comment by dmiles
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Blog Post
Stainless steel wallet review
June 17, 2009 7:39pm PDT
If you're looking for a unique, sleek, slim-profile wallet that announces your geek cred and protects your RFID chipped credit cards from unwanted eavesdropping, this wallet may be exactly what...
23 Latest comment by apotheon
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Blog Post
Use i3 for tiling window manager n00bs
June 2, 2011 9:00am PDT
If you have had difficulty getting used to tiling window managers before, i3 may be the window manager for you. Chad Perrin walks you through some initial configurations.
11 Latest comment by apotheon
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Blog Post
Managing default Unix file permissions with adduser and umask
November 18, 2009 1:03pm PST
Chad Perrin follow up his post on configuring Unix file permissions with instructions for automating permissions defaults for new files.
3 Latest comment by apotheon
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Blog Post
A simple rsync script to back up your home directory
January 13, 2011 6:00am PST
Backing up your files is a very important and very often neglected measure to save yourself the frustration of lost data. Overcome that neglectful tendency, and protect your data from accidental...
20 Latest comment by seanferd
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Blog Post
Ensure basic Web site security with this checklist
March 13, 2008 3:03pm PDT
While I normally advocate a principles-based approach to maintaining system security, and deplore the typical "best practices" checklist approach, that does not mean that security checklists are...
20 Latest comment by Gena111
